BR9605433A - Processo de estiramento de pré-forma de fibra ótica para fabricação de fibra ótica - Google Patents

Processo de estiramento de pré-forma de fibra ótica para fabricação de fibra ótica

Info

Publication number
BR9605433A
BR9605433A BR9605433A BR9605433A BR9605433A BR 9605433 A BR9605433 A BR 9605433A BR 9605433 A BR9605433 A BR 9605433A BR 9605433 A BR9605433 A BR 9605433A BR 9605433 A BR9605433 A BR 9605433A
Authority
BR
Brazil
Prior art keywords
stretching process
optical fiber
fiber optic
preform stretching
optic manufacturing
Prior art date
Application number
BR9605433A
Other languages
English (en)
Portuguese (pt)
Inventor
Keigo Maeda
Toshiaki Tateishi
Shigeo Inaba
Original Assignee
Furukawa Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Publication of BR9605433A publication Critical patent/BR9605433A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/0253—Controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
    • C03B37/02736—Means for supporting, rotating or feeding the tubes, rods, fibres or filaments to be drawn, e.g. fibre draw towers, preform alignment, butt-joining preforms or dummy parts during feeding
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/029—Furnaces therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/40—Monitoring or regulating the draw tension or draw rate
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/44—Monotoring or regulating the preform feed rate
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/60—Optical fibre draw furnaces
    • C03B2205/72—Controlling or measuring the draw furnace temperature
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/60—Optical fibre draw furnaces
    • C03B2205/90—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles
    • C03B2205/92—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles using means for gradually reducing the cross-section towards the outlet or around the preform draw end, e.g. tapered

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
BR9605433A 1995-11-06 1996-11-06 Processo de estiramento de pré-forma de fibra ótica para fabricação de fibra ótica BR9605433A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7286922A JPH09132424A (ja) 1995-11-06 1995-11-06 光ファイバの線引方法

Publications (1)

Publication Number Publication Date
BR9605433A true BR9605433A (pt) 1998-08-04

Family

ID=17710706

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9605433A BR9605433A (pt) 1995-11-06 1996-11-06 Processo de estiramento de pré-forma de fibra ótica para fabricação de fibra ótica

Country Status (4)

Country Link
US (1) US5961681A (zh)
JP (1) JPH09132424A (zh)
CN (1) CN1109905C (zh)
BR (1) BR9605433A (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6354113B2 (en) * 1999-01-20 2002-03-12 Alcatel Fiber optic draw furnace featuring a fiber optic preform heating and fiber drawing programmable logic controller
JP2001163632A (ja) * 1999-12-13 2001-06-19 Sumitomo Electric Ind Ltd 光ファイバ製造方法および光ファイバ製造装置
US6766088B2 (en) * 2000-05-01 2004-07-20 Sumitomo Electric Industries, Ltd. Optical fiber and method for making the same
JP4014828B2 (ja) * 2001-08-03 2007-11-28 古河電気工業株式会社 光ファイバ線引き装置およびその制御方法
BR0116901A (pt) * 2001-12-19 2004-08-03 Pirelli & C Spa Método e dispositivo para determinar uma lei de variação de tração de estiramento para um processo de estiramento de fibra óptica, e, processo e conjunto para fabricar uma fibra óptica
KR100492964B1 (ko) * 2002-07-29 2005-06-07 삼성전자주식회사 광섬유 인출장치 및 광섬유 모재 급송속도 제어방법
FI20021564A0 (fi) * 2002-09-02 2002-09-02 Nextrom Holding Sa Sovitelma preformin valmistamiseksi
US8074474B2 (en) * 2007-11-29 2011-12-13 Corning Incorporated Fiber air turn for low attenuation fiber
JP5251306B2 (ja) * 2008-07-04 2013-07-31 住友電気工業株式会社 光ファイバの製造方法及び製造装置
CN101538113B (zh) * 2009-04-27 2011-08-03 中天科技精密材料有限公司 微间隙套管光纤预制棒的制备方法及其拉制光纤的方法
CN101907741B (zh) * 2010-06-29 2012-08-08 上海大学 光锥制作在线检测和控制装置及其操作方法
US8322166B2 (en) 2010-11-22 2012-12-04 Corning Incorporated Method of manufacturing optical fiber with selected draw tension
WO2013074078A1 (en) * 2011-11-15 2013-05-23 Corning Incorporated Method of manufacturing optical fiber with selected draw tension
CN106430940B (zh) * 2016-09-12 2019-04-16 长飞光纤光缆股份有限公司 一种套管式光纤预制棒

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464925A1 (fr) * 1979-09-06 1981-03-20 Thomson Csf Procede de controle du tirage d'une fibre optique a partir d'une preforme de verre et systeme de mise en oeuvre d'un tel procede
IN169141B (zh) * 1985-08-21 1991-09-07 Stc Plc
JPH0737332B2 (ja) * 1986-10-31 1995-04-26 昭和電線電纜株式会社 光フアイバの製造方法
JP2555065B2 (ja) * 1987-04-21 1996-11-20 古河電気工業株式会社 光フアイバ線引方法
US5228893A (en) * 1991-11-27 1993-07-20 At&T Bell Laboratories Optical fiber tension monitoring technique

Also Published As

Publication number Publication date
CN1109905C (zh) 2003-05-28
JPH09132424A (ja) 1997-05-20
CN1157419A (zh) 1997-08-20
US5961681A (en) 1999-10-05

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements